Quote:
Originally Posted by mod186k1
OK, it's only to give you a tip I experimented on myself: the best way to read on JBC is at a distance so you see a homogeneous background. Typically 30cm as distance from screen is good. If you have glasses even fewer.
about what you called "artefact": the common name is "ghost effect" and it occurs beacause with PDF viewer JBC perform a partial refresh instead of a full one (maybe to save battery or time). When you open the images you can choose to do a full refresh clicking on "Menu" button. I suggest you to contact Ectaco support (providing your JBC's S/N)to ask to add a full refresh even when reading documents. In this way maybe in the next firmware update they will add this feature.
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Double tapping in the center of the page with the stylus also refreshes the screen.